19137898

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{1381}}^1$

素因数の和:1450

約数の個数: 24

約数和(自身を含む): 31866156

約数和(自身を除く): 12728258

約数列:

[1, 2, 13, 26, 41, 82, 169, 338, 533, 1066, 1381, 2762, 6929, 13858, 17953, 35906, 56621, 113242, 233389, 466778, 736073, 1472146, 9568949, 19137898]

約数ペア:

[(1, 19137898), (2, 9568949), (13, 1472146), (26, 736073), (41, 466778), (82, 233389), (169, 113242), (338, 56621), (533, 35906), (1066, 17953), (1381, 13858), (2762, 6929)]